Antioch — Land Use

Last reviewed: July 1, 2026

Overview

This page distills how Antioch’s zoning code organizes land use: which uses are allowed in each district, when a use permit is needed, and the dimensional limits that govern what fits on a site. Antioch’s controlling law is Title 9, Chapter 5 of the Municipal Code, commonly referred to as the city’s zoning ordinance . The core tools you will work with are the city’s Table of Land Use Regulations and the Height and Area Regulations, both adopted in the zoning code and applied with project-level approvals like design review and use permits .

How Antioch organizes land use decisions

• Table of Land Use Regulations. Antioch assigns each land use in a master table to zoning districts using a “P/U/A” legend: P = permitted by right, U = use permit, and A = administrative use permit. Footnote numbers in the table point to special rules (e.g., location, separation, or overlay triggers) .
• Dimensional controls. The Height & Area table (§ 9-5.601) sets the maximum height, minimum lot area/width, lot coverage, and yard setbacks for primary structures by district; several values are controlled by footnotes (notably front/streetside setbacks) rather than a single number .
• Overlays and special districts. Antioch uses overlay districts (e.g., ES, CB, CIH, IH, H) and planned districts (PD, HPD, RRMP, MUMF, TOD) to tailor allowed uses and development form. In several of these designations, a use permit or final development plan is required for all uses, even if the underlying district would otherwise allow them by right .

Where standards reference parking, apply Antioch’s off‑street parking chapter, and expect conformance with adopted development standards and any project‑specific design review conditions.

Decision-critical standards at a glance

The entries below highlight frequently-checked standards and use permissions. Always confirm the base district plus any overlays on the zoning map.

District-by-district rules

The city summarizes all base and overlay districts in § 9‑5.3801; the entries below emphasize purpose, typical allowed uses, and the most decision‑relevant dimensional notes where the ordinance text is explicit .

RE — Rural Estate

• Purpose/where: Large‑lot residential consistent with very low‑density areas; development is set “through Planned Development process” for dimensional controls in the Height & Area table .
• Typical uses: Residential per Table 9‑5.3803 (confirm P/U/A) .
• Key standards: Dimensional values are determined via Planned Development approvals under § 9‑5.601 (RE row indicates PD‑determined) .

RR — Rural Residential

• Purpose/where: 0–2 du/acre rural lots per district summary .
• Typical uses: Residential per Table 9‑5.3803.
• Key standards: Height/area set “through Planned Development process” in the Height & Area table for RR, similar to RE; front/street‑side setbacks per footnote f apply by street type .

R‑4 — Single‑Family Low Density (2–4 du/ac)

• Purpose/where: Neighborhood single‑family areas at low density .
• Typical uses: Single‑family dwellings; ADUs per § 9‑5.3805; day‑care centers require a use permit (U) per Table 9‑5.3803 excerpts .
• Key standards: 35 ft height, 6,000 sf lot, 40% coverage, 5 ft side, 20 ft rear; front per footnote f (graduated by street) and garage fronts minimum 20 ft from the property line per footnote k .

R‑6 — Single‑Family Low Density (4–6 du/ac)

• Purpose/where: Slightly higher single‑family density .
• Typical uses: Similar to R‑4; confirm P/U/A in Table 9‑5.3803.
• Key standards: Same as R‑4 for height, lot area, coverage, 5 ft side, 20 ft rear; front per footnote f; garage face 20 ft min per k .

R‑10 — Medium Density (6–10 du/ac)

• Purpose/where: Medium density single‑family and small multi‑family per district summary .
• Typical uses: Residential spectrum per Table 9‑5.3803.
• Key standards: 45 ft height, 6,000 sf lot, 40% coverage, 5 ft side, 10 ft rear; front per f; garage 20 ft min per k .

R‑20 — Medium Density (11–20 du/ac)

• Purpose/where: Multi‑family settings per district summary .
• Typical uses: Multi‑family; note: new single‑family dwellings are prohibited (except replacing an existing SFD) by Table footnote 1 .
• Key standards: 45 ft height, 20,000 sf lot, 40% coverage, 5 ft side, 10 ft rear; front per f; minimum 20 ft rear when abutting RR/RE/R‑4/R‑6 per m .

R‑25 — High Density (20–25 du/ac)

• Purpose/where: High‑density residential per district summary .
• Typical uses: Multi‑family; new single‑family prohibited except replacement (n.1) .
• Key standards: 45 ft height, 20,000 sf lot, 50% coverage; 5 ft side, 10 ft rear; front per f; 20 ft rear when abutting RR/RE/R‑4/R‑6 per m .

R‑35 — High Density (30–35 du/ac)

• Purpose/where: Highest baseline residential densities per district summary .
• Typical uses: Multi‑family; new single‑family prohibited except replacement (n.1) .
• Key standards: 45 ft height, 20,000 sf lot, 50% coverage; 5 ft side, 10 ft rear; front per f; 20 ft rear when abutting RR/RE/R‑4/R‑6 per m .

PBC — Planned Business Center

• Purpose/where: Larger commercial centers; see General Plan consistency notes in code cross‑references.
• Typical uses: Retail/commercial per Table 9‑5.3803; new religious assembly prohibited (n.3) .
• Key standards: 35 ft height; 20,000 sf lot; 35% coverage; 0 ft side and rear; front per f .

C‑O — Professional Office

• Purpose/where: Office/professional uses.
• Typical uses: Business and professional offices per Table 9‑5.3803; new religious assembly prohibited (n.3) .
• Key standards: See § 9‑5.601; front per f; overlay H uses apply “same as C‑O” for height/area when mapped in the Hospital Overlay .

C‑1 — Convenience Commercial

• Purpose/where: Small‑scale retail and services.
• Typical uses: Retail/services per Table 9‑5.3803; new religious assembly prohibited (n.3) .
• Key standards: See § 9‑5.601; front per f .

C‑2 — Neighborhood/Community Commercial

• Purpose/where: Larger community‑serving retail nodes.
• Typical uses: Retail/services per Table 9‑5.3803; new religious assembly prohibited (n.3). Specialty uses include sidewalk cafés with a use permit (Zoning Administrator) .
• Key standards: See § 9‑5.601; front per f.

C‑3 — Regional Commercial

• Purpose/where: Regional draw retail and entertainment.
• Typical uses: Broad commercial per Table 9‑5.3803; computer gaming/internet access businesses require a use permit and must meet spacing and arterial‑frontage criteria; parking study required .
• Key standards: See § 9‑5.601; front per f.

MCR — Mixed Commercial/Residential

• Purpose/where: Mixed‑use corridors/downtown edges.
• Typical uses: Mixed commercial/residential per Table 9‑5.3803; verify P/U/A per specific use .
• Key standards: See § 9‑5.601; front per f.

WF — Urban Waterfront

• Purpose/where: Riverfront settings; water‑oriented commercial and public access; thematically compatible waterfront uses such as marinas, boat sales/repair (ancillary), and restaurant/recreation are contemplated; consistent with the Urban Waterfront GP designation .
• Typical uses: Water‑related commercial and compatible public spaces; verify specific uses in Table 9‑5.3803.
• Key standards: See § 9‑5.601; front per f.

OS — Open Space/Public Use

• Purpose/where: Public facilities and open space.
• Typical uses: Public/semi‑public uses per Table 9‑5.3803.
• Key standards: Height/area entries marked “NA” (not applicable) in § 9‑5.601; confirm case‑by‑case .

M‑1 — Light Industrial

• Purpose/where: Manufacturing, logistics, flex industrial.
• Typical uses: Industrial per Table 9‑5.3803; hazardous materials generators allowed by use permit in M‑1/M‑2 subject to additional standards; recycling/processing facilities have special performance rules .
• Key standards: 45 ft height; 40,000 sf lot; 0 ft side/rear; front per f .

M‑2 — Heavy Industrial

• Purpose/where: Heavy manufacturing, processing, and compatible logistics.
• Typical uses: Heavier industrial; correctional facilities may be considered with a conditional use permit and must meet minimum separation distances from sensitive uses and residential zones .
• Key standards: 70 ft height; 40,000 sf lot; 0 ft side/rear; front per f .

PD — Planned Development District

• Purpose/where: Customized zoning to implement a final development plan consistent with the General Plan and any specific plan; can include any city‑allowed use shown on the approved plan; standards (setbacks, lot sizes, heights) are set within the PD plan .
• Typical uses: Any use shown on the final plan per § 9‑5.2304; all uses need use permit approval in PD/HPD districts per § 9‑5.3802(B)(7) .
• Key standards: Established in the PD plan; subdivisions may process concurrently with PD approvals .

HPD — Hillside Planned Development

• Purpose/where: Hillside areas (customized form).
• Typical uses: Use permit required for all uses in HPD per § 9‑5.3802(B)(7) .
• Key standards: Established through the planned development process and § 9‑5.601 “to be determined” entries .

H — Hospital/Medical Center Overlay

• Purpose/where: Protects and enables expansion around Delta Memorial Medical Center with compatible medical uses (offices, labs, medical housing); in overlay areas, base height/area follows the C‑O zone unless otherwise specified .
• Typical uses: Medical/ancillary; verify P/U/A in Table 9‑5.3803.

ES — Emergency Shelter Overlay

• Purpose/where: Identifies sites where emergency shelters are permitted by right if they meet objective standards; otherwise base zone rules apply .
• Typical uses: Emergency shelters (by right) per overlay; all other uses per base zone Table 9‑5.3803 with overlay note 9 .

CB — Cannabis Business Overlay

• Purpose/where: Limits cannabis uses to mapped CB subareas; CB‑1 allows the broadest range; CB‑2 (Downtown) and CB‑3 (Somersville) allow storefront retail only; all cannabis uses require a City Council‑approved use permit .
• Typical uses: Cannabis as specified by overlay subarea.

TH — Transitional Housing Overlay

• Purpose/where: Not found in retrieved materials.
• Typical uses/standards: Not found in retrieved materials.

CIH — Commercial Infill Housing Overlay

• Purpose/where: Enables high‑quality residential mixed‑use on infill sites in commercial areas, minimum 12 du/ac; commercial standards/uses of the base zone remain in place for non‑residential components .
• Typical uses: Residential mixed‑use; by right up to 35 du/ac and 4 stories/45 ft if standards are met; 35–50 du/ac and heights above 45 ft require a use permit .
• Key standards: See overlay objective design/processing references; apply § 9‑5.601 for any dimensional entries that defer to overlay documents .

IH — Innovative Housing Overlay

• Purpose/where: Facilitates affordable “cottage community” housing on sites with existing religious assembly uses; objective standards govern site planning, setbacks, open space, building separation, and management .
• Typical uses: Cottage communities with accessory supportive services/community space; certain standards for setbacks (e.g., 10–15 ft fronts/street‑sides by street type; 5 ft interior side; 10 ft rear when adjacent to property lines) and landscaping of front/street‑side setbacks .

T — Manufactured Housing Combining

• Purpose/where: Manufactured housing; combining overlay to base zones.
• Typical uses/standards: Same as underlying base zone for height/area per § 9‑5.601 row notes .

SH — Senior Housing Overlay

• Purpose/where: Provides density bonuses for senior housing projects zoned with this overlay prior to its effective date; applies only to those mapped projects .
• Standards: Same as underlying base zone for height/area per § 9‑5.601 row notes; bonuses per overlay eligibility .

MUMF — Mixed Use Medical Facility District

• Purpose/where: Campus‑type medical districts (min. 1 acre) accommodating hospitals, medical offices, related residential (e.g., convalescent), support retail, parking structures, helipads; all uses require a final development plan and a use permit, processed per PD procedures .
• Key standards: Per district approvals; apply § 9‑5.601 where referenced.

TOD — Transit‑Oriented Development District

• Purpose/where: Mix of high‑density uses oriented to rail/bus stations; allows horizontal and vertical mixed‑use patterns .
• Standards: Height/area “to be determined” via the planned development process in § 9‑5.601 .

RRMP — Roddy Ranch Master Plan

• Purpose/where: Applies to the Roddy Ranch Focus Area; accommodates residential, neighborhood/district commercial, visitor‑serving, and significant open space with flexibility through a final development plan; use permits implement PD‑like conditions for project phases .
• Standards: Established in the RRMP final development plan; commercial portions should be consistent with C‑3 height/area standards per § 9‑5.601 .

SP — Specific Plan District

• Purpose/where: Base designation applied after City Council adopts a specific plan; permitted uses and standards are as specified in the adopted specific plan .
• Standards: Governed by the specific plan; confirm with the adopted SP text.

S — Study District

• Purpose/where: Interim designation typically used for newly annexed areas until detailed land‑use studies are completed; properties remain subject to prior county zoning rules until the city adopts a plan or alternative process; existing uses may continue and expand per those county rules .
• Standards: No individual project may be approved beyond what county zoning would have allowed pre‑annexation until a city plan is adopted .

Special use notes you will actually use

• Computer gaming/internet access businesses: allowed in C‑3 with a use permit and must meet arterial frontage and 500‑ft spacing from sensitive uses; parking study required .
• Correctional facilities: may be allowed in M‑2 (or less restrictive) with a conditional use permit and must meet minimum 1,000‑ft/1‑mile separation from listed sensitive uses and other facilities .
• Hazardous materials/waste facilities: generators/processors permitted only by use permit in specified industrial/PD districts with additional state‑law procedures for certain processors .
• Outdoor cafés: require a use permit by the Zoning Administrator and a litter‑control plan; conditions address off‑site impacts and signage is separately regulated .
• Recycling/heavy processing: subject to performance standards (screening, noise, dust/odor, hours) and siting restrictions away from residential zones .

Dimensional standards most often tripping projects

• Front and street‑side setbacks are landscaping‑only zones and scale by street type and land use (non‑residential: 30/25/20 ft; single‑family: 30/25/20 ft fronts with 10 ft street‑side on collectors/locals; multi‑family: 15/15/10 ft) .
• In residential districts, the front of any garage must be at least 20 ft from the property line it faces (even if the “f” footnote would allow a shallower landscape setback) .
• In M‑1/M‑2, side and rear setbacks may be 0 ft; confirm frontage landscaping depth via f before placing buildings/services along arterials and collectors .

How Antioch treats nonconformities and boundaries

• Nonconforming uses/structures: Antioch allows continuation subject to strict limits on expansion/intensification; some replacements with similar or less intense nonconforming uses may be allowed; see nonconforming uses for details .
• Boundary determination: If a zoning line splits a small parcel, or its exact location is ambiguous, the code provides default rules to place the whole parcel in the preponderant or more restrictive district (verify with Planning) .

Checklist

• Identify your base district and any overlays on the zoning map; note if you are in PD/HPD/MUMF/TOD/RRMP where plan‑based approvals govern all uses (use permit/final development plan) .
• Look up your use in the Table of Land Use Regulations and note P/U/A and any footnote numbers; then read the footnotes and any cross‑referenced sections (e.g., emergency shelters, cannabis, correctional facilities) .
• Pull the § 9‑5.601 Height & Area entries for your district and apply footnote f for frontage landscaping/setbacks and k for garage face distance as applicable .
• If residential: confirm if single‑family is even allowed in high‑density districts (it is not, except replacement, in R‑20/25/35) and whether ADUs are proposed under § 9‑5.3805 .
• If industrial/commercial: check special use standards for your category (e.g., cafés, service stations, hazardous materials, recycling) and the frontage landscaping depths in footnote f .
• Confirm off‑street parking ratios and any shared or reduced‑parking provisions triggered by overlays (e.g., IH/religious sites) .
• Determine if design review is required alongside any administrative or full use permit approvals (Article 27) .
• If an existing nonconforming use/structure is involved, read the limitations before planning expansions or replacements .
• If in the S Study District, confirm whether a city specific plan or alternative process has been adopted; until then, county rules at annexation control what may proceed .

Risks & Ambiguities

Plain-English Summary

Antioch decides if a use fits on your lot in two steps: first, the Land Use Table says whether your use is “P” (by right), “U” (use permit), or “A” (administrative) in your zoning district; second, the Height & Area table and footnotes set the lot size, height, and setbacks that control your site plan. Overlays can expand or restrict what’s allowed. Watch the frontage landscaping/setback footnote, the prohibition on new single-family homes in high‑density R‑20/25/35, and special use rules (e.g., shelters, cannabis, correctional facilities). Most projects also need to meet parking and may require design review.

Source References

• City of Antioch Zoning Code, Title 9, Chapter 5: purpose and components (Article 1)
• Article 38: Land Use Regulations — legend and Table 9‑5.3803 framework; PD/HPD/MUMF use‑permit requirement
• District summary — list of base and overlay districts and CB subareas
• Height & Area Regulations — § 9‑5.601 table and footnotes (incl. frontage landscaping/setback footnote f and garage rule k)
• Residential district dimensional rows (R‑4, R‑6, R‑10, R‑20, R‑25, R‑35) and PBC/M‑1/M‑2 entries
• Table 9‑5.3803 footnotes — SFD prohibition in R‑20/25/35; church restrictions; ES overlay rule; cannabis UP by Council; CIH density/height triggers
• ES, CB, CIH, IH, SH, H, WF overlay/district descriptions (Article 38 summaries)
• PD district purpose/uses/standards and submittals (Article 23)
• Study District rules (§ 9‑5.3834)
• Special uses: computer gaming in C‑3 (§ 9‑5.3835); correctional facilities (§ 9‑5.3842); hazardous materials (§ 9‑5.3826); sidewalk cafés (§ 9‑5.3823)
• Nonconforming uses/structures (Article 30)
• Determination of boundaries (Article 37)

Retrieved passages

• Antioch Zoning Code (§ 9-5.2305) High relevance show source text
• Antioch Zoning Code (§ 9-5.3834) High relevance show source text
• Antioch Zoning Code (section are) High relevance show source text
• Antioch Zoning Code (§ 9-5.2904) Medium relevance show source text
• Antioch Zoning Code (Title or) Medium relevance show source text
• CBC § 9 (§ 9-5.3842) Medium relevance show source text
• Antioch Zoning Code (§ 9-5.1701) Medium relevance show source text
• Antioch Zoning Code (§ 9-5.702.) Medium relevance show source text
• Antioch Zoning Code (§ 9-5.3846) Medium relevance show source text
• Antioch Zoning Code (§ 9-5.603) Medium relevance show source text
• Antioch Zoning Code (§ 9-5.601) Medium relevance show source text
• Antioch Zoning Code (§ 9-5.3802) Medium relevance show source text
• CFC § 9 (§ 9-5.1401.) Medium relevance show source text
• Antioch Zoning Code (§ 9-5.3802) Medium relevance show source text
• Antioch Zoning Code (§ 9-5.3846) Medium relevance show source text
• Antioch Zoning Code (Title 9) Medium relevance show source text

Cited sections

• City of Antioch Zoning Code, Title 9, Chapter 5: purpose and components (Article 1) (Title 9)
• Article 38: Land Use Regulations — legend and Table 9‑5.3803 framework; PD/HPD/MUMF use‑permit requirement (Article 38)
• District summary — list of base and overlay districts and CB subareas
• Height & Area Regulations — § 9‑5.601 table and footnotes (incl. frontage landscaping/setback footnote f and garage rule k) (§ 9)
• Residential district dimensional rows (R‑4, R‑6, R‑10, R‑20, R‑25, R‑35) and PBC/M‑1/M‑2 entries
• Table 9‑5.3803 footnotes — SFD prohibition in R‑20/25/35; church restrictions; ES overlay rule; cannabis UP by Council; CIH density/height triggers
• ES, CB, CIH, IH, SH, H, WF overlay/district descriptions (Article 38 summaries) (Article 38)
• PD district purpose/uses/standards and submittals (Article 23) (Article 23)
• Study District rules (§ 9‑5.3834) (§ 9)
• Special uses: computer gaming in C‑3 (§ 9‑5.3835); correctional facilities (§ 9‑5.3842); hazardous materials (§ 9‑5.3826); sidewalk cafés (§ 9‑5.3823) (§ 9)
• Nonconforming uses/structures (Article 30) (Article 30)
• Determination of boundaries (Article 37) (Article 37)
• Antioch_ZoningCode.md

• Official Antioch code library